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<div class="header">
  <div class="headertitle"><div class="title">SEGGER_RTT.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">*                    SEGGER Microcontroller GmbH                     *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">*                        The Embedded Experts                        *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">*            (c) 1995 - 2021 SEGGER Microcontroller GmbH             *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">*       www.segger.com     Support: support@segger.com               *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">*       SEGGER RTT * Real Time Transfer for embedded targets         *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">* All rights reserved.                                               *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">* SEGGER strongly recommends to not make any changes                 *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">* to or modify the source code of this software in order to stay     *</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">* compatible with the RTT protocol and J-Link.                       *</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">* Redistribution and use in source and binary forms, with or         *</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">* without modification, are permitted provided that the following    *</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">* condition is met:                                                  *</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">* o Redistributions of source code must retain the above copyright   *</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">*   notice, this condition and the following disclaimer.             *</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND             *</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">* CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES,        *</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF           *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE           *</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR           *</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  *</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;    *</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF      *</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment">* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT          *</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE  *</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment">* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH   *</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment">* DAMAGE.                                                            *</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">*       RTT version: 7.88c                                           *</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">*                                                                    *</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"></span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">---------------------------END-OF-HEADER------------------------------</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">File    : SEGGER_RTT.h</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">Purpose : Implementation of SEGGER real-time transfer which allows</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">          real-time communication on targets which support debugger </span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">          memory accesses while the CPU is running.</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">Revision: $Rev: 25842 $</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">----------------------------------------------------------------------</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">*/</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="preprocessor">#ifndef SEGGER_RTT_H</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#define SEGGER_RTT_H</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#include &quot;../Config/SEGGER_RTT_Conf.h&quot;</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">*</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">*       Defines, defaults</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">*</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">*/</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#ifndef RTT_USE_ASM</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>  <span class="comment">// Some cores support out-of-order memory accesses (reordering of memory accesses in the core)</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>  <span class="comment">// For such cores, we need to define a memory barrier to guarantee the order of certain accesses to the RTT ring buffers.</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>  <span class="comment">// Needed for:</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>  <span class="comment">//   Cortex-M7 (ARMv7-M)</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>  <span class="comment">//   Cortex-M23 (ARM-v8M)</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  <span class="comment">//   Cortex-M33 (ARM-v8M)</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>  <span class="comment">//   Cortex-A/R (ARM-v7A/R)</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>  <span class="comment">// We do not explicitly check for &quot;Embedded Studio&quot; as the compiler in use determines what we support.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>  <span class="comment">// You can use an external toolchain like IAR inside ES. So there is no point in checking for &quot;Embedded Studio&quot;</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="preprocessor">  #if (defined __CROSSWORKS_ARM)                  </span><span class="comment">// Rowley Crossworks</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="preprocessor">    #define _CC_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="preprocessor">    #if (defined __ARM_ARCH_7M__)                 </span><span class="comment">// Cortex-M3</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="preprocessor">    #elif (defined __ARM_ARCH_7EM__)              </span><span class="comment">// Cortex-M4/M7</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_BASE__)          </span><span class="comment">// Cortex-M23</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_MAIN__)          </span><span class="comment">// Cortex-M33</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="preprocessor">  #elif (defined __ARMCC_VERSION)</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    <span class="comment">// ARM compiler</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="comment">// ARM compiler V6.0 and later is clang based.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <span class="comment">// Our ASM part is compatible to clang.</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="preprocessor">    #if (__ARMCC_VERSION &gt;= 6000000)</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="preprocessor">      #define _CC_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="preprocessor">      #define _CC_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="preprocessor">    #if (defined __ARM_ARCH_6M__)                 </span><span class="comment">// Cortex-M0 / M1</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0         </span><span class="comment">// No ASM support for this architecture</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="preprocessor">    #elif (defined __ARM_ARCH_7M__)               </span><span class="comment">// Cortex-M3</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="preprocessor">    #elif (defined __ARM_ARCH_7EM__)              </span><span class="comment">// Cortex-M4/M7</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_BASE__)          </span><span class="comment">// Cortex-M23</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_MAIN__)          </span><span class="comment">// Cortex-M33</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="preprocessor">    #elif ((defined __ARM_ARCH_7A__) || (defined __ARM_ARCH_7R__))  </span><span class="comment">// Cortex-A/R 32-bit ARMv7-A/R</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="preprocessor">  #elif ((defined __GNUC__) || (defined __clang__))</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="comment">// GCC / Clang</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="preprocessor">    #define _CC_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    <span class="comment">// ARM 7/9: __ARM_ARCH_5__ / __ARM_ARCH_5E__ / __ARM_ARCH_5T__ / __ARM_ARCH_5T__ / __ARM_ARCH_5TE__</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="preprocessor">    #if (defined __ARM_ARCH_7M__)                 </span><span class="comment">// Cortex-M3</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="preprocessor">    #elif (defined __ARM_ARCH_7EM__)              </span><span class="comment">// Cortex-M4/M7</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1         </span><span class="comment">// Only Cortex-M7 needs a DMB but we cannot distinguish M4 and M7 here...</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_BASE__)          </span><span class="comment">// Cortex-M23</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="preprocessor">    #elif (defined __ARM_ARCH_8M_MAIN__)          </span><span class="comment">// Cortex-M33</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="preprocessor">    #elif ((defined __ARM_ARCH_7A__) || (defined __ARM_ARCH_7R__))  </span><span class="comment">// Cortex-A/R 32-bit ARMv7-A/R</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="preprocessor">      #define _CORE_NEEDS_DMB           1</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="preprocessor">      #define RTT__DMB() __asm volatile (&quot;dmb\n&quot;</span> : : :);</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="preprocessor">      #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="preprocessor">  #elif ((defined __IASMARM__) || (defined __ICCARM__))</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    <span class="comment">// IAR assembler/compiler</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="preprocessor">    #define _CC_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="preprocessor">    #if (__VER__ &lt; 6300000)</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="preprocessor">      #define VOLATILE</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="preprocessor">      #define VOLATILE volatile</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="preprocessor">    #if (defined __ARM7M__)                            </span><span class="comment">// Needed for old versions that do not know the define yet</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="preprocessor">      #if (__CORE__ == __ARM7M__)                      </span><span class="comment">// Cortex-M3</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="preprocessor">        #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="preprocessor">    #if (defined __ARM7EM__)</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="preprocessor">      #if (__CORE__ == __ARM7EM__)                     </span><span class="comment">// Cortex-M4/M7</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="preprocessor">        #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="preprocessor">    #if (defined __ARM8M_BASELINE__)</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="preprocessor">      #if (__CORE__ == __ARM8M_BASELINE__)             </span><span class="comment">// Cortex-M23</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="preprocessor">        #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="preprocessor">    #if (defined __ARM8M_MAINLINE__)</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="preprocessor">      #if (__CORE__ == __ARM8M_MAINLINE__)             </span><span class="comment">// Cortex-M33</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="preprocessor">        #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="preprocessor">    #if (defined __ARM8EM_MAINLINE__)</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="preprocessor">      #if (__CORE__ == __ARM8EM_MAINLINE__)            </span><span class="comment">// Cortex-???</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="preprocessor">        #define _CORE_HAS_RTT_ASM_SUPPORT 1</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="preprocessor">    #if (defined __ARM7A__)</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="preprocessor">      #if (__CORE__ == __ARM7A__)                      </span><span class="comment">// Cortex-A 32-bit ARMv7-A</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="preprocessor">    #if (defined __ARM7R__)</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="preprocessor">      #if (__CORE__ == __ARM7R__)                      </span><span class="comment">// Cortex-R 32-bit ARMv7-R</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="preprocessor">        #define _CORE_NEEDS_DMB 1</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="preprocessor">        #define RTT__DMB() asm VOLATILE (&quot;DMB&quot;</span>);</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="preprocessor">      #endif</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">// TBD: __ARM8A__ =&gt; Cortex-A 64-bit ARMv8-A</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">// TBD: __ARM8R__ =&gt; Cortex-R 64-bit ARMv8-R</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="preprocessor">  #else</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>    <span class="comment">// Other compilers</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    <span class="comment">//</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="preprocessor">    #define _CC_HAS_RTT_ASM_SUPPORT   0</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="preprocessor">    #define _CORE_HAS_RTT_ASM_SUPPORT 0</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <span class="comment">// If IDE and core support the ASM version, enable ASM version by default</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="preprocessor">  #ifndef _CORE_HAS_RTT_ASM_SUPPORT</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="preprocessor">    #define _CORE_HAS_RTT_ASM_SUPPORT 0              </span><span class="comment">// Default for unknown cores</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="preprocessor">  #if (_CC_HAS_RTT_ASM_SUPPORT &amp;&amp; _CORE_HAS_RTT_ASM_SUPPORT)</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="preprocessor">    #define RTT_USE_ASM                           (1)</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="preprocessor">  #else</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="preprocessor">    #define RTT_USE_ASM                           (0)</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="preprocessor">#ifndef _CORE_NEEDS_DMB</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="preprocessor">  #define _CORE_NEEDS_DMB 0</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="preprocessor">#ifndef RTT__DMB</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="preprocessor">  #if _CORE_NEEDS_DMB</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="preprocessor">    #error &quot;Don&#39;t know how to place inline assembly for DMB&quot;</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="preprocessor">  #else</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="preprocessor">    #define RTT__DMB()</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="preprocessor">#ifndef SEGGER_RTT_CPU_CACHE_LINE_SIZE</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="preprocessor">  #define SEGGER_RTT_CPU_CACHE_LINE_SIZE (0)   </span><span class="comment">// On most target systems where RTT is used, we do not have a CPU cache, therefore 0 is a good default here</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="preprocessor">#ifndef SEGGER_RTT_UNCACHED_OFF</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="preprocessor">  #if SEGGER_RTT_CPU_CACHE_LINE_SIZE</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="preprocessor">    #error &quot;SEGGER_RTT_UNCACHED_OFF must be defined when setting SEGGER_RTT_CPU_CACHE_LINE_SIZE != 0&quot;</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="preprocessor">  #else</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="preprocessor">    #define SEGGER_RTT_UNCACHED_OFF (0)</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="preprocessor">#if RTT_USE_ASM</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="preprocessor">  #if SEGGER_RTT_CPU_CACHE_LINE_SIZE</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="preprocessor">    #error &quot;RTT_USE_ASM is not available if SEGGER_RTT_CPU_CACHE_LINE_SIZE != 0&quot;</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="preprocessor">  #endif</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="preprocessor">#ifndef SEGGER_RTT_ASM  </span><span class="comment">// defined when SEGGER_RTT.h is included from assembly file</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="preprocessor">#include &lt;<a class="code" href="stdlib_8h.html">stdlib.h</a>&gt;</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment">*</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">*       Defines, fixed</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment">*</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment">*/</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">//</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">// Determine how much we must pad the control block to make it a multiple of a cache line in size</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">// Assuming: U8 = 1B</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">//           U16 = 2B</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">//           U32 = 4B</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">//           U8/U16/U32* = 4B</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">//</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="preprocessor">#if SEGGER_RTT_CPU_CACHE_LINE_SIZE    </span><span class="comment">// Avoid division by zero in case we do not have any cache</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="preprocessor">  #define SEGGER_RTT__ROUND_UP_2_CACHE_LINE_SIZE(NumBytes) (((NumBytes + SEGGER_RTT_CPU_CACHE_LINE_SIZE - 1) / SEGGER_RTT_CPU_CACHE_LINE_SIZE) * SEGGER_RTT_CPU_CACHE_LINE_SIZE)</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="preprocessor">  #define SEGGER_RTT__ROUND_UP_2_CACHE_LINE_SIZE(NumBytes) (NumBytes)</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="preprocessor">#define SEGGER_RTT__CB_SIZE                              (16 + 4 + 4 + (SEGGER_RTT_MAX_NUM_UP_BUFFERS * 24) + (SEGGER_RTT_MAX_NUM_DOWN_BUFFERS * 24))</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="preprocessor">#define SEGGER_RTT__CB_PADDING                           (SEGGER_RTT__ROUND_UP_2_CACHE_LINE_SIZE(SEGGER_RTT__CB_SIZE) - SEGGER_RTT__CB_SIZE)</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment">*</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment">*       Types</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">*</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">*/</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment">//</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">// Description for a circular buffer (also called &quot;ring buffer&quot;)</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">// which is used as up-buffer (T-&gt;H)</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">//</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"><a class="line" href="structSEGGER__RTT__BUFFER__UP.html">  304</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>  <span class="keyword">const</span>     <span class="keywordtype">char</span>*    sName;         <span class="comment">// Optional name. Standard names so far are: &quot;Terminal&quot;, &quot;SysView&quot;, &quot;J-Scope_t4i4&quot;</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>            <span class="keywordtype">char</span>*    pBuffer;       <span class="comment">// Pointer to start of buffer</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>            <span class="keywordtype">unsigned</span> SizeOfBuffer;  <span class="comment">// Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty.</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>            <span class="keywordtype">unsigned</span> WrOff;         <span class="comment">// Position of next item to be written by either target.</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>  <span class="keyword">volatile</span>  <span class="keywordtype">unsigned</span> RdOff;         <span class="comment">// Position of next item to be read by host. Must be volatile since it may be modified by host.</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>            <span class="keywordtype">unsigned</span> Flags;         <span class="comment">// Contains configuration flags. Flags[31:24] are used for validity check and must be zero. Flags[23:2] are reserved for future use. Flags[1:0] = RTT operating mode.</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>} <a class="code hl_struct" href="structSEGGER__RTT__BUFFER__UP.html">SEGGER_RTT_BUFFER_UP</a>;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">//</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="comment">// Description for a circular buffer (also called &quot;ring buffer&quot;)</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="comment">// which is used as down-buffer (H-&gt;T)</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">//</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"><a class="line" href="structSEGGER__RTT__BUFFER__DOWN.html">  317</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>  <span class="keyword">const</span>     <span class="keywordtype">char</span>*    sName;         <span class="comment">// Optional name. Standard names so far are: &quot;Terminal&quot;, &quot;SysView&quot;, &quot;J-Scope_t4i4&quot;</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>            <span class="keywordtype">char</span>*    pBuffer;       <span class="comment">// Pointer to start of buffer</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>            <span class="keywordtype">unsigned</span> SizeOfBuffer;  <span class="comment">// Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty.</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>  <span class="keyword">volatile</span>  <span class="keywordtype">unsigned</span> WrOff;         <span class="comment">// Position of next item to be written by host. Must be volatile since it may be modified by host.</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>            <span class="keywordtype">unsigned</span> RdOff;         <span class="comment">// Position of next item to be read by target (down-buffer).</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>            <span class="keywordtype">unsigned</span> Flags;         <span class="comment">// Contains configuration flags. Flags[31:24] are used for validity check and must be zero. Flags[23:2] are reserved for future use. Flags[1:0] = RTT operating mode. </span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>} <a class="code hl_struct" href="structSEGGER__RTT__BUFFER__DOWN.html">SEGGER_RTT_BUFFER_DOWN</a>;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span> </div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="comment">//</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="comment">// RTT control block which describes the number of buffers available</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="comment">// as well as the configuration for each buffer</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment">//</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment">//</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"><a class="line" href="structSEGGER__RTT__CB.html">  331</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>  <span class="keywordtype">char</span>                    acID[16];                                 <span class="comment">// Initialized to &quot;SEGGER RTT&quot;</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>  <span class="keywordtype">int</span>                     MaxNumUpBuffers;                          <span class="comment">// Initialized to SEGGER_RTT_MAX_NUM_UP_BUFFERS (type. 2)</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>  <span class="keywordtype">int</span>                     MaxNumDownBuffers;                        <span class="comment">// Initialized to SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (type. 2)</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>  <a class="code hl_struct" href="structSEGGER__RTT__BUFFER__UP.html">SEGGER_RTT_BUFFER_UP</a>    aUp[SEGGER_RTT_MAX_NUM_UP_BUFFERS];       <span class="comment">// Up buffers, transferring information up from target via debug probe to host</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>  <a class="code hl_struct" href="structSEGGER__RTT__BUFFER__DOWN.html">SEGGER_RTT_BUFFER_DOWN</a>  aDown[SEGGER_RTT_MAX_NUM_DOWN_BUFFERS];   <span class="comment">// Down buffers, transferring information down from host via debug probe to target</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="preprocessor">#if SEGGER_RTT__CB_PADDING</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>           aDummy[SEGGER_RTT__CB_PADDING];</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>} <a class="code hl_struct" href="structSEGGER__RTT__CB.html">SEGGER_RTT_CB</a>;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span><span class="comment">*</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="comment">*       Global data</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">*</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">*/</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="keyword">extern</span> <a class="code hl_struct" href="structSEGGER__RTT__CB.html">SEGGER_RTT_CB</a> _SEGGER_RTT;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment">*</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="comment">*       RTT API functions</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span><span class="comment">*</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment">*/</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>  <span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="keywordtype">int</span>          SEGGER_RTT_AllocDownBuffer         (<span class="keyword">const</span> <span class="keywordtype">char</span>* sName, <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="keywordtype">int</span>          SEGGER_RTT_AllocUpBuffer           (<span class="keyword">const</span> <span class="keywordtype">char</span>* sName, <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="keywordtype">int</span>          SEGGER_RTT_ConfigUpBuffer          (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span>* sName, <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="keywordtype">int</span>          SEGGER_RTT_ConfigDownBuffer        (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span>* sName, <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="keywordtype">int</span>          SEGGER_RTT_GetKey                  (<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_HasData                 (<span class="keywordtype">unsigned</span> BufferIndex);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="keywordtype">int</span>          SEGGER_RTT_HasKey                  (<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_HasDataUp               (<span class="keywordtype">unsigned</span> BufferIndex);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="keywordtype">void</span>         SEGGER_RTT_Init                    (<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_Read                    (<span class="keywordtype">unsigned</span> BufferIndex,       <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize);</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_ReadNoLock              (<span class="keywordtype">unsigned</span> BufferIndex,       <span class="keywordtype">void</span>* pData,   <span class="keywordtype">unsigned</span> BufferSize);</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="keywordtype">int</span>          SEGGER_RTT_SetNameDownBuffer       (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span>* sName);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="keywordtype">int</span>          SEGGER_RTT_SetNameUpBuffer         (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span>* sName);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="keywordtype">int</span>          SEGGER_RTT_SetFlagsDownBuffer      (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span><span class="keywordtype">int</span>          SEGGER_RTT_SetFlagsUpBuffer        (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">unsigned</span> Flags);</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span><span class="keywordtype">int</span>          SEGGER_RTT_WaitKey                 (<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_Write                   (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_WriteNoLock             (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_WriteSkipNoLock         (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_ASM_WriteSkipNoLock     (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_WriteString             (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span>* s);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="keywordtype">void</span>         SEGGER_RTT_WriteWithOverwriteNoLock(<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_PutChar                 (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">char</span> c);</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_PutCharSkip             (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">char</span> c);</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_PutCharSkipNoLock       (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">char</span> c);</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_GetAvailWriteSpace      (<span class="keywordtype">unsigned</span> BufferIndex);</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_GetBytesInBuffer        (<span class="keywordtype">unsigned</span> BufferIndex);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span><span class="comment">//</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment">// Function macro for performance optimization</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span><span class="comment">//</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="preprocessor">#define      SEGGER_RTT_HASDATA(n)       (((SEGGER_RTT_BUFFER_DOWN*)((char*)&amp;_SEGGER_RTT.aDown[n] + SEGGER_RTT_UNCACHED_OFF))-&gt;WrOff - ((SEGGER_RTT_BUFFER_DOWN*)((char*)&amp;_SEGGER_RTT.aDown[n] + SEGGER_RTT_UNCACHED_OFF))-&gt;RdOff)</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span> </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="preprocessor">#if RTT_USE_ASM</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="preprocessor">  #define SEGGER_RTT_WriteSkipNoLock  SEGGER_RTT_ASM_WriteSkipNoLock</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="comment">*</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment">*       RTT transfer functions to send RTT data via other channels.</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span><span class="comment">*</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment">*/</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_ReadUpBuffer            (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> BufferSize);</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_ReadUpBufferNoLock      (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keywordtype">void</span>* pData, <span class="keywordtype">unsigned</span> BufferSize);</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_WriteDownBuffer         (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="keywordtype">unsigned</span>     SEGGER_RTT_WriteDownBufferNoLock   (<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">void</span>* pBuffer, <span class="keywordtype">unsigned</span> NumBytes);</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span> </div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="preprocessor">#define      SEGGER_RTT_HASDATA_UP(n)    (((SEGGER_RTT_BUFFER_UP*)((char*)&amp;_SEGGER_RTT.aUp[n] + SEGGER_RTT_UNCACHED_OFF))-&gt;WrOff - ((SEGGER_RTT_BUFFER_UP*)((char*)&amp;_SEGGER_RTT.aUp[n] + SEGGER_RTT_UNCACHED_OFF))-&gt;RdOff)   </span><span class="comment">// Access uncached to make sure we see changes made by the J-Link side and all of our changes go into HW directly</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span> </div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment">*</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span><span class="comment">*       RTT &quot;Terminal&quot; API functions</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment">*</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment">*/</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="keywordtype">int</span>     SEGGER_RTT_SetTerminal        (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> TerminalId);</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="keywordtype">int</span>     SEGGER_RTT_TerminalOut        (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> TerminalId, <span class="keyword">const</span> <span class="keywordtype">char</span>* s);</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">*</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment">*       RTT printf functions (require SEGGER_RTT_printf.c)</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="comment">*</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">*/</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="keywordtype">int</span> SEGGER_RTT_printf(<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span> * sFormat, ...);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="keywordtype">int</span> SEGGER_RTT_vprintf(<span class="keywordtype">unsigned</span> BufferIndex, <span class="keyword">const</span> <span class="keywordtype">char</span> * sFormat, va_list * pParamList);</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>  }</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span> </div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="preprocessor">#endif </span><span class="comment">// ifndef(SEGGER_RTT_ASM)</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment">/*********************************************************************</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment">*</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span><span class="comment">*       Defines</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment">*</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span><span class="comment">**********************************************************************</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span><span class="comment">*/</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span><span class="comment">//</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span><span class="comment">// Operating modes. Define behavior if buffer is full (not enough space for entire message)</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="comment">//</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span><span class="preprocessor">#define SEGGER_RTT_MODE_NO_BLOCK_SKIP         (0)     </span><span class="comment">// Skip. Do not block, output nothing. (Default)</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span><span class="preprocessor">#define SEGGER_RTT_MODE_NO_BLOCK_TRIM         (1)     </span><span class="comment">// Trim: Do not block, output as much as fits.</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span><span class="preprocessor">#define SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL    (2)     </span><span class="comment">// Block: Wait until there is space in the buffer.</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span><span class="preprocessor">#define SEGGER_RTT_MODE_MASK                  (3)</span></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span> </div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span><span class="comment">//</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span><span class="comment">// Control sequences, based on ANSI.</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span><span class="comment">// Can be used to control color, and clear the screen</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span><span class="comment">//</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span><span class="preprocessor">#define RTT_CTRL_RESET                &quot;\x1B[0m&quot;</span>         <span class="comment">// Reset to default colors</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span><span class="preprocessor">#define RTT_CTRL_CLEAR                &quot;\x1B[2J&quot;</span>         <span class="comment">// Clear screen, reposition cursor to top left</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span> </div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span><span class="preprocessor">#define RTT_CTRL_TEXT_BLACK           &quot;\x1B[2;30m&quot;</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span><span class="preprocessor">#define RTT_CTRL_TEXT_RED             &quot;\x1B[2;31m&quot;</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span><span class="preprocessor">#define RTT_CTRL_TEXT_GREEN           &quot;\x1B[2;32m&quot;</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span><span class="preprocessor">#define RTT_CTRL_TEXT_YELLOW          &quot;\x1B[2;33m&quot;</span></div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span><span class="preprocessor">#define RTT_CTRL_TEXT_BLUE            &quot;\x1B[2;34m&quot;</span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span><span class="preprocessor">#define RTT_CTRL_TEXT_MAGENTA         &quot;\x1B[2;35m&quot;</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="preprocessor">#define RTT_CTRL_TEXT_CYAN            &quot;\x1B[2;36m&quot;</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="preprocessor">#define RTT_CTRL_TEXT_WHITE           &quot;\x1B[2;37m&quot;</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_BLACK    &quot;\x1B[1;30m&quot;</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_RED      &quot;\x1B[1;31m&quot;</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_GREEN    &quot;\x1B[1;32m&quot;</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_YELLOW   &quot;\x1B[1;33m&quot;</span></div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_BLUE     &quot;\x1B[1;34m&quot;</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_MAGENTA  &quot;\x1B[1;35m&quot;</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_CYAN     &quot;\x1B[1;36m&quot;</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span><span class="preprocessor">#define RTT_CTRL_TEXT_BRIGHT_WHITE    &quot;\x1B[1;37m&quot;</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span> </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span><span class="preprocessor">#define RTT_CTRL_BG_BLACK             &quot;\x1B[24;40m&quot;</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span><span class="preprocessor">#define RTT_CTRL_BG_RED               &quot;\x1B[24;41m&quot;</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span><span class="preprocessor">#define RTT_CTRL_BG_GREEN             &quot;\x1B[24;42m&quot;</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span><span class="preprocessor">#define RTT_CTRL_BG_YELLOW            &quot;\x1B[24;43m&quot;</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span><span class="preprocessor">#define RTT_CTRL_BG_BLUE              &quot;\x1B[24;44m&quot;</span></div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span><span class="preprocessor">#define RTT_CTRL_BG_MAGENTA           &quot;\x1B[24;45m&quot;</span></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span><span class="preprocessor">#define RTT_CTRL_BG_CYAN              &quot;\x1B[24;46m&quot;</span></div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span><span class="preprocessor">#define RTT_CTRL_BG_WHITE             &quot;\x1B[24;47m&quot;</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_BLACK      &quot;\x1B[4;40m&quot;</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_RED        &quot;\x1B[4;41m&quot;</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_GREEN      &quot;\x1B[4;42m&quot;</span></div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_YELLOW     &quot;\x1B[4;43m&quot;</span></div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_BLUE       &quot;\x1B[4;44m&quot;</span></div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_MAGENTA    &quot;\x1B[4;45m&quot;</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_CYAN       &quot;\x1B[4;46m&quot;</span></div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span><span class="preprocessor">#define RTT_CTRL_BG_BRIGHT_WHITE      &quot;\x1B[4;47m&quot;</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span> </div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span><span class="comment">/*************************** End of file ****************************/</span></div>
<div class="ttc" id="astdlib_8h_html"><div class="ttname"><a href="stdlib_8h.html">stdlib.h</a></div></div>
<div class="ttc" id="astructSEGGER__RTT__BUFFER__DOWN_html"><div class="ttname"><a href="structSEGGER__RTT__BUFFER__DOWN.html">SEGGER_RTT_BUFFER_DOWN</a></div><div class="ttdef"><b>Definition:</b> SEGGER_RTT.h:317</div></div>
<div class="ttc" id="astructSEGGER__RTT__BUFFER__UP_html"><div class="ttname"><a href="structSEGGER__RTT__BUFFER__UP.html">SEGGER_RTT_BUFFER_UP</a></div><div class="ttdef"><b>Definition:</b> SEGGER_RTT.h:304</div></div>
<div class="ttc" id="astructSEGGER__RTT__CB_html"><div class="ttname"><a href="structSEGGER__RTT__CB.html">SEGGER_RTT_CB</a></div><div class="ttdef"><b>Definition:</b> SEGGER_RTT.h:331</div></div>
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